CN201576339U

CN201576339U - Anti-pinch safe warning device

Info

Publication number: CN201576339U
Application number: CN2009202705073U
Authority: CN
Inventors: 黄贞莹; 林明玎
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-16
Filing date: 2009-11-16
Publication date: 2010-09-08
Anticipated expiration: 2019-11-16

Abstract

The utility model discloses an anti-pinch safe warning device which comprises a single-chip microcomputer, a capacitor sensing pressed bar, a power supply unit and a warning indicator, wherein the capacitor sensing pressed bar is connected with the single-chip microcomputer and pasted and fixed on vehicle door frames, window frames, rails, processor knife switch or other dangerous parts where hands are easily touched, the power supply unit is used for supplying power required by the whole device; and the warning indicator is connected with the single-chip microcomputer; therefore, when a human body approaches or touches the capacitance sensing pressed bar, the single-chip microcomputer controls the warning indicator to give an alarm so as to avoid injuries caused by clamping or other accidents.

Description

Anti-tong safety alarm device

Technical field

The utility model is about a kind of safety feature, refers to a kind of hazardous location that is installed in the easy misplace of hand especially, crushes or other unexpectedly anti-tong safety alarm device in order to prevent.

Background technology

Automobile is the most general at present and the four-wheel vehicles easily; for ensureing the safety of driving with the passenger; existing all safeguard measures and device; for example: air bag; the crashproof monitoring arrangement of moveing backward; the hypervelocity alarming device; vehicle headway safety holding device; opening/closing door of vehicle state device for informing etc.; yet; at present general car door does not mostly have anti-tong alarming device; thereby work as the hand misplace in door frame for vehicle; sash; during hazardous locations such as railing; the normal mishap that crushes hand; what is heard is arranged when especially the child makes hand be crushed especially because of ignorant; present in addition processing machine is when operation; the accident that the operator is crushed often takes place, and causes can't retrieve sorry.

Though the function of utilizing noncontact inductor (for example infrared ray, ultrasonic, laser) to reach anti-pinch is arranged at present, because inductor costs an arm and a leg, make its cost relatively too high, can't popularize.

The utility model content

The applicant does not have suitable safety alarm device in view of hazardous locations such as general car door, door and window, railing, processing machine plug-in strip mouths, therefore through inquiring into and studying specimen test, reaches repeatedly to revise and improves, and proposes the utility model.

The utility model provides a kind of anti-tong safety alarm device, comprising:

One single-chip micro computer;

One is connected with the single-chip micro computer, pastes the hazardous location of being fixed in the easy misplace of staff, with the variation of sense capacitance value and produce signal, is conveyed to the capacitive sensing press strip of single-chip micro computer;

One provides the power-supply unit of the anti-required power supply of tong security warning single unit system; And

One is connected with the single-chip micro computer, and when the single-chip micro computer received the signal of capacitive sensing press strip, control linkage made attention device send the attention device of caution sound to the current lead-through of attention device.

Anti-tong safety alarm device also comprises: a box body, described box body is made up of a base plate and a loam cake, the single-chip micro computer is installed in the box body, the capacitive sensing press strip penetrates in the box body for one section and is connected with the single-chip micro computer, exsertion part is pasted the hazardous location of being fixed in door frame for vehicle, sash, railing, processing machine plug-in strip mouth or the easy misplace of other hand, variation and generation signal in order to the sense capacitance value are conveyed to the single-chip micro computer and utilize program to be handled; Power-supply unit is installed in the box body, provides single unit system required power supply; Attention device is installed in the box body, be connected with single-chip micro computer and power-supply unit, when the single-chip micro computer received the signal of capacitive sensing press strip, control linkage was to the current lead-through of attention device, make attention device send caution sound, prevent to crush or other mishap generation.

The beneficial effects of the utility model are: it can be in human body during near to or in contact with the capacitive sensing press strip, send caution sound by single-chip microcomputerized control attention device, with prevent other position of staff or human body near or misplace in hazardous locations such as door frame for vehicle, sash, railing, processing machine plug-in strip mouths, and obtain security preferably.

The utility model beneficial effect again is: its unitary construction is simple, and material price is cheap, and low cost of manufacture meets public demand relatively.

Description of drawings

Fig. 1 is the perspective view of anti-tong safety alarm device of the present utility model.

Fig. 2 is the control circuit synoptic diagram of anti-tong safety alarm device of the present utility model.

Fig. 3 is the circuit diagram of anti-tong safety alarm device of the present utility model.

Fig. 4 is the enforcement illustration that anti-tong safety alarm device of the present utility model is installed in door frame for vehicle.

Fig. 5 is the anti-tong synoptic diagram that anti-tong safety alarm device of the present utility model is installed in door frame for vehicle.

Fig. 6 is that anti-pinch feel of the present utility model is answered synoptic diagram.

Fig. 7 is the enforcement illustration that anti-tong safety alarm device of the present utility model is installed in sash.

Fig. 8 is the enforcement illustration that anti-tong safety alarm device of the present utility model is installed in railing.

Description of reference numerals

1 box body, 11 base plates

12 loam cakes, 2 single-chip micro computers

3 capacitive sensing press strips, 31 metal knitted nets

32 silica gel, 4 power-supply units

5 attention device A doorframes

B sash C railing

Embodiment

Below, the joint accompanying drawing is described in detail as follows the preferred embodiment of anti-tong safety alarm device of the present utility model:

Perspective view as Fig. 1 anti-tong safety alarm device of the present utility model, shown in the circuit diagram of the control circuit synoptic diagram of Fig. 2 anti-tong safety alarm device of the present utility model and Fig. 3 anti-tong safety alarm device of the present utility model, anti-tong safety alarm device of the present utility model comprises: a box body 1, one single-chip micro computer 2, one capacitive sensing press strip 3, one power-supply unit 4 and an attention device 5, wherein box body 1 is made up of a base plate 11 and a loam cake 12, single-chip micro computer 2 is installed in the box body 1, in order to accept from the signal of capacitive sensing press strip 3 and to utilize program to be handled, capacitive sensing press strip 3 is by two metal knitted net 31 spacing arrangement and is overmolding to the soft strip of suitable thickness and width with silica gel 32, capacitive sensing press strip 3 can be suitably crooked, and the capacitive sensing press strip penetrates in the box body 1 for 3 one sections and is connected with single-chip micro computer 2, variation and generation signal in order to the sense capacitance value, and signal is conveyed to single-chip micro computer 2, power-supply unit 4 is installed in the box body 1, in order to power supply is given step-down, supplying with single unit system after the voltage stabilizing uses, attention device 5 is installed in the box body 1, is connected with single-chip micro computer 2.

During use, enforcement illustration, Fig. 5 anti-tong safety alarm device of the present utility model that is installed in door frame for vehicle as Fig. 4 anti-tong safety alarm device of the present utility model is installed in anti-tong synoptic diagram and Fig. 6 anti-pinch feel of the present utility model of door frame for vehicle and answers shown in the synoptic diagram, box body 1 is fixed in car body and hides, power-supply unit 4 connects power supply, capacitive sensing press strip 3 exposes box body 1 position with high temperature resistance, and gluing pastes and to be fixed in door frame for vehicle A, and has capacitor C between capacitive sensing press strip 3 (induction electrode) and door frame for vehicle A (pedestal) _B, as human body (as finger) near to or in contact with (have clothing intercept also can) during to capacitive sensing press strip 3 because there is the electric capacity of a small amount of in human body itself, just thereby capacitive sensing press strip 3 can produce C _FElectric capacity changes the electric capacity of capacitive sensing press strip 3, becomes C _B+ C _FAnd by RC concussion mode, convert the subtle change of this electric capacity to frequency different output signal, after utilizing program to be handled by single-chip micro computer 2, control power-supply unit 4 is connected to the current lead-through of attention device 5, make attention device 5 send caution sound, avoid causing the mishap that crushes staff or other position of human body to take place.

Be installed in shown in the enforcement illustration of sash and the enforcement illustration that Fig. 8 anti-tong safety alarm device of the present utility model is installed in railing as Fig. 7 anti-tong safety alarm device of the present utility model in addition, the anti-tong safety alarm device of the utility model is except that being installed in the door frame for vehicle, also can be installed in sash B, railing C, the hazardous location of processing machine plug-in strip mouth or the easy misplace of other hand, when human body (as finger) near to or in contact with the time, produce the output signal of different frequency, after utilizing program to be handled by single-chip micro computer 2, control power-supply unit 4 is connected to the current lead-through of attention device 5, make attention device 5 send caution sound, avoid causing crushing or other mishap generation.

The anti-tong safety alarm device of the utility model can be installed voluntarily by the consumer, or directly adds when article are made, and capacitive sensing press strip 3 is sticked in the hazardous location of the easy misplace of hand, when human body during near to or in contact with capacitive sensing press strip 3, sends caution sound.

In addition, above-mentioned attention device 5 is warned the sound except that sending, the luminescence unit of also can connecting, and have the caution effect of acousto-optic simultaneously.

By above-mentioned specific embodiment, can learn that anti-tong safety alarm device of the present utility model has following useful benefit:

1. anti-tong safety alarm device of the present utility model can be at human body during near to or in contact with capacitive sensing press strip 3, rely on the variation of electric capacity to discover, and convert the output signal of different frequency to by RC concussion mode, be conveyed to single-chip micro computer 2, send caution sound by single-chip micro computer 2 control attention devices 5, with prevent other position of staff or human body near or misplace in hazardous locations such as door frame for vehicle, sash, railing, processing machine plug-in strip mouths, obtain security preferably.

2. few, the simple structure of the whole component part of anti-tong safety alarm device of the present utility model, material price is cheap, relative low cost of manufacture, thus meet public demand, and can simple and easyly install additional, be suitable for being extensive use of.

The above only is preferred embodiment of the present utility model, can not be in order to limit protection domain of the present utility model; All equalizations of doing according to the utility model change and modify, and all should still belong in the scope that the utility model contains.

Claims

1. an anti-tong safety alarm device is characterized in that, comprising:

One single-chip micro computer;

2. anti-tong safety alarm device as claimed in claim 1, it is characterized in that, also comprise a box body, this box body is made up of a base plate and a loam cake, described single-chip micro computer, power-supply unit, attention device are placed in the described box body, and power supply is held a section of induction press strip and penetrated in the described box body.

3. anti-tong safety alarm device as claimed in claim 1 is characterized in that, described capacitive sensing press strip is by two metal knitted net spacing arrangement and the soft strip that is overmolding to silica gel.